Tropical year
Year Year, n. [OE. yer, yeer, [yogh]er, AS. ge['a]r; akin to OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r, Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year, springtime, a part of the day, an hour, ? a year, Zend y[=a]re year. [root]4, 279. Cf. {Hour}, {Yore}.] [1913 Webster] 1. The time of the apparent revolution of the sun trough the ecliptic; the period occupied by the earth in making its revolution around the sun, called the astronomical year; also, a period more or less nearly agreeing with this, adopted by various nations as a measure of time, and called the civil year; as, the common lunar year of 354 days, still in use among the Mohammedans; the year of 360 days, etc. In common usage, the year consists of 365 days, and every fourth year (called bissextile, or leap year) of 366 days, a day being added to February on that year, on account of the excess above 365 days (see {Bissextile}). [1913 Webster]

Of twenty year of age he was, I guess. --Chaucer. [1913 Webster]

Note: The civil, or legal, year, in England, formerly commenced on the 25th of March. This practice continued throughout the British dominions till the year 1752. [1913 Webster]

2. The time in which any planet completes a revolution about the sun; as, the year of Jupiter or of Saturn. [1913 Webster]

3. pl. Age, or old age; as, a man in years. --Shak. [1913 Webster]

{Anomalistic year}, the time of the earth's revolution from perihelion to perihelion again, which is 365 days, 6 hours, 13 minutes, and 48 seconds.

{A year's mind} (Eccl.), a commemoration of a deceased person, as by a Mass, a year after his death. Cf. {A month's mind}, under {Month}.

{Bissextile year}. See {Bissextile}.

{Canicular year}. See under {Canicular}.

{Civil year}, the year adopted by any nation for the computation of time.

{Common lunar year}, the period of 12 lunar months, or 354 days.

{Common year}, each year of 365 days, as distinguished from leap year.

{Embolismic year}, or {Intercalary lunar year}, the period of 13 lunar months, or 384 days.

{Fiscal year} (Com.), the year by which accounts are reckoned, or the year between one annual time of settlement, or balancing of accounts, and another.

{Great year}. See {Platonic year}, under {Platonic}.

{Gregorian year}, {Julian year}. See under {Gregorian}, and {Julian}.

{Leap year}. See {Leap year}, in the Vocabulary.

{Lunar astronomical year}, the period of 12 lunar synodical months, or 354 days, 8 hours, 48 minutes, 36 seconds.

{Lunisolar year}. See under {Lunisolar}.

{Periodical year}. See {Anomalistic year}, above.

{Platonic year}, {Sabbatical year}. See under {Platonic}, and {Sabbatical}.

{Sidereal year}, the time in which the sun, departing from any fixed star, returns to the same. This is 365 days, 6 hours, 9 minutes, and 9.3 seconds.

{Tropical year}. See under {Tropical}.

{Year and a day} (O. Eng. Law), a time to be allowed for an act or an event, in order that an entire year might be secured beyond all question. --Abbott.

{Year of grace}, any year of the Christian era; Anno Domini; A. D. or a. d. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • tropical year — n. see YEAR (sense 2) …   English World dictionary

  • Tropical year — A tropical year (also known as a solar year), for general purposes, is the length of time that the Sun takes to return to the same position in the cycle of seasons, as seen from Earth; for example, the time from vernal equinox to vernal equinox,… …   Wikipedia

  • tropical year — The period between two successive vernal equinoxes, the time the earth takes to complete one orbit around the sun relative to the first point of Aries. Its length was 365 days 5 h 48 min and 45.19 s in 2000, and it is changing by 0.00000006162 ´… …   Aviation dictionary

  • tropical year — atogrąžiniai metai statusas T sritis fizika atitikmenys: angl. solar year; tropical year vok. tropisches Jahr, n rus. тропический год, m pranc. année tropique, f …   Fizikos terminų žodynas

  • tropical year — year (def. 4b). [1585 95] * * * …   Universalium

  • tropical year — noun the time for the earth to make one revolution around the sun, measured between two vernal equinoxes • Syn: ↑solar year, ↑astronomical year, ↑equinoctial year • Hypernyms: ↑year …   Useful english dictionary

  • tropical year — noun a) The time that it takes for the Sun to return to the same position along the ecliptic, as viewed from the Earth, especially: b) A vernal equinox year, the time between two successive vernal equinoxes. Syn: astronomical year …   Wiktionary

  • tropical year — /trɒpɪkəl ˈjɪə/ (say tropikuhl year) noun See year (def. 5) …   Australian English dictionary

  • tropical year — noun another term for solar year …   English new terms dictionary

  • tropical year — The interval between two consecutive returns of the sun to the vernal equinox …   Ballentine's law dictionary

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